From: Denys Vlasenko Date: Tue, 16 Jun 2009 08:23:55 +0000 (+0200) Subject: udhcp: rename giaddr to gateway_nip and server to server_nip X-Git-Tag: 1_15_0~157 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=990a617edfd9040594c0889d2dd23eb7ef91c695;p=oweals%2Fbusybox.git udhcp: rename giaddr to gateway_nip and server to server_nip "nip" stands for "IP in network order" Signed-off-by: Denys Vlasenko --- diff --git a/networking/udhcp/common.h b/networking/udhcp/common.h index ca96847a7..fef0b66a8 100644 --- a/networking/udhcp/common.h +++ b/networking/udhcp/common.h @@ -36,7 +36,7 @@ struct dhcpMessage { uint32_t yiaddr; /* 'your' (client) IP address */ uint32_t siaddr; /* IP address of next server to use in bootstrap, * returned in DHCPOFFER, DHCPACK by server */ - uint32_t giaddr; /* relay agent IP address */ + uint32_t gateway_nip; /* relay agent IP address */ uint8_t chaddr[16];/* link-layer client hardware address (MAC) */ uint8_t sname[64]; /* server host name (ASCIZ) */ uint8_t file[128]; /* boot file name (ASCIZ) */ @@ -88,7 +88,7 @@ void udhcp_run_script(struct dhcpMessage *packet, const char *name) FAST_FUNC; void udhcp_sp_setup(void) FAST_FUNC; int udhcp_sp_fd_set(fd_set *rfds, int extra_fd) FAST_FUNC; int udhcp_sp_read(const fd_set *rfds) FAST_FUNC; -int udhcp_read_interface(const char *interface, int *ifindex, uint32_t *addr, uint8_t *arp) FAST_FUNC; +int udhcp_read_interface(const char *interface, int *ifindex, uint32_t *nip, uint8_t *arp) FAST_FUNC; int udhcp_raw_socket(int ifindex) FAST_FUNC; int udhcp_listen_socket(/*uint32_t ip,*/ int port, const char *inf) FAST_FUNC; /* Returns 1 if no reply received */ diff --git a/networking/udhcp/dhcpd.c b/networking/udhcp/dhcpd.c index 61e4a1d95..09524e29c 100644 --- a/networking/udhcp/dhcpd.c +++ b/networking/udhcp/dhcpd.c @@ -94,7 +94,7 @@ int udhcpd_main(int argc UNUSED_PARAM, char **argv) read_leases(server_config.lease_file); if (udhcp_read_interface(server_config.interface, &server_config.ifindex, - &server_config.server, server_config.arp)) { + &server_config.server_nip, server_config.arp)) { retval = 1; goto ret; } @@ -202,7 +202,7 @@ int udhcpd_main(int argc UNUSED_PARAM, char **argv) if (server_id) { /* SELECTING State */ DEBUG("server_id = %08x", ntohl(server_id_aligned)); - if (server_id_aligned == server_config.server + if (server_id_aligned == server_config.server_nip && requested && requested_aligned == lease->lease_nip ) { diff --git a/networking/udhcp/dhcpd.h b/networking/udhcp/dhcpd.h index a3ace92d4..bb281c51b 100644 --- a/networking/udhcp/dhcpd.h +++ b/networking/udhcp/dhcpd.h @@ -28,7 +28,7 @@ struct static_lease { }; struct server_config_t { - uint32_t server; /* Our IP, in network order */ + uint32_t server_nip; /* Our IP, in network order */ #if ENABLE_FEATURE_UDHCP_PORT uint16_t port; #endif diff --git a/networking/udhcp/dhcprelay.c b/networking/udhcp/dhcprelay.c index 53540d1ab..2fee49a41 100644 --- a/networking/udhcp/dhcprelay.c +++ b/networking/udhcp/dhcprelay.c @@ -247,7 +247,7 @@ int dhcprelay_main(int argc, char **argv) char **client_ifaces; int *fds; int num_sockets, max_socket; - uint32_t our_ip; + uint32_t our_nip; server_addr.sin_family = AF_INET; server_addr.sin_port = htons(SERVER_PORT); @@ -272,7 +272,7 @@ int dhcprelay_main(int argc, char **argv) max_socket = init_sockets(client_ifaces, num_sockets, argv[2], fds); /* Get our IP on server_iface */ - if (udhcp_read_interface(argv[2], NULL, &our_ip, NULL)) + if (udhcp_read_interface(argv[2], NULL, &our_nip, NULL)) return 1; /* Main loop */ @@ -309,10 +309,10 @@ int dhcprelay_main(int argc, char **argv) /* Get our IP on corresponding client_iface */ //why? what if server can't route such IP? - if (udhcp_read_interface(client_ifaces[i-1], NULL, &dhcp_msg.giaddr, NULL)) { + if (udhcp_read_interface(client_ifaces[i-1], NULL, &dhcp_msg.gateway_nip, NULL)) { /* Fall back to our server_iface's IP */ //this makes more sense! - dhcp_msg.giaddr = our_ip; + dhcp_msg.gateway_nip = our_nip; } //maybe set dhcp_msg.flags |= BROADCAST_FLAG too? pass_to_server(&dhcp_msg, packlen, i, fds, &client_addr, &server_addr); diff --git a/networking/udhcp/leases.c b/networking/udhcp/leases.c index 040126fe8..403a8bca6 100644 --- a/networking/udhcp/leases.c +++ b/networking/udhcp/leases.c @@ -128,7 +128,7 @@ static int nobody_responds_to_arp(uint32_t addr, const uint8_t *safe_mac) int r; r = arpping(addr, safe_mac, - server_config.server, server_config.arp, + server_config.server_nip, server_config.arp, server_config.interface); if (r) return r; diff --git a/networking/udhcp/serverpacket.c b/networking/udhcp/serverpacket.c index 6aa2d34fa..55ed4a833 100644 --- a/networking/udhcp/serverpacket.c +++ b/networking/udhcp/serverpacket.c @@ -26,14 +26,14 @@ #include "options.h" -/* send a packet to giaddr using the kernel ip stack */ +/* send a packet to gateway_nip using the kernel ip stack */ static int send_packet_to_relay(struct dhcpMessage *payload) { DEBUG("Forwarding packet to relay"); return udhcp_send_kernel_packet(payload, - server_config.server, SERVER_PORT, - payload->giaddr, SERVER_PORT); + server_config.server_nip, SERVER_PORT, + payload->gateway_nip, SERVER_PORT); } @@ -69,7 +69,7 @@ static int send_packet_to_client(struct dhcpMessage *payload, int force_broadcas } return udhcp_send_raw_packet(payload, - /*src*/ server_config.server, SERVER_PORT, + /*src*/ server_config.server_nip, SERVER_PORT, /*dst*/ ciaddr, CLIENT_PORT, chaddr, server_config.ifindex); } @@ -78,7 +78,7 @@ static int send_packet_to_client(struct dhcpMessage *payload, int force_broadcas /* send a dhcp packet, if force broadcast is set, the packet will be broadcast to the client */ static int send_packet(struct dhcpMessage *payload, int force_broadcast) { - if (payload->giaddr) + if (payload->gateway_nip) return send_packet_to_relay(payload); return send_packet_to_client(payload, force_broadcast); } @@ -90,9 +90,9 @@ static void init_packet(struct dhcpMessage *packet, struct dhcpMessage *oldpacke packet->xid = oldpacket->xid; memcpy(packet->chaddr, oldpacket->chaddr, 16); packet->flags = oldpacket->flags; - packet->giaddr = oldpacket->giaddr; + packet->gateway_nip = oldpacket->gateway_nip; packet->ciaddr = oldpacket->ciaddr; - add_simple_option(packet->options, DHCP_SERVER_ID, server_config.server); + add_simple_option(packet->options, DHCP_SERVER_ID, server_config.server_nip); } diff --git a/networking/udhcp/socket.c b/networking/udhcp/socket.c index edf4355b5..449fcb7aa 100644 --- a/networking/udhcp/socket.c +++ b/networking/udhcp/socket.c @@ -37,7 +37,7 @@ #include "common.h" -int FAST_FUNC udhcp_read_interface(const char *interface, int *ifindex, uint32_t *addr, uint8_t *arp) +int FAST_FUNC udhcp_read_interface(const char *interface, int *ifindex, uint32_t *nip, uint8_t *arp) { int fd; struct ifreq ifr; @@ -48,7 +48,7 @@ int FAST_FUNC udhcp_read_interface(const char *interface, int *ifindex, uint32_t ifr.ifr_addr.sa_family = AF_INET; strncpy_IFNAMSIZ(ifr.ifr_name, interface); - if (addr) { + if (nip) { if (ioctl_or_perror(fd, SIOCGIFADDR, &ifr, "is interface %s up and configured?", interface) ) { @@ -56,7 +56,7 @@ int FAST_FUNC udhcp_read_interface(const char *interface, int *ifindex, uint32_t return -1; } our_ip = (struct sockaddr_in *) &ifr.ifr_addr; - *addr = our_ip->sin_addr.s_addr; + *nip = our_ip->sin_addr.s_addr; DEBUG("ip of %s = %s", interface, inet_ntoa(our_ip->sin_addr)); }